CA1204050A

CA1204050A - Diskette punch with attached gage

Info

Publication number: CA1204050A
Application number: CA000443848A
Authority: CA
Inventors: Archie L. Leggett, Jr.
Original assignee: Individual
Current assignee: Individual
Priority date: 1983-05-02
Filing date: 1983-12-20
Publication date: 1986-05-06
Also published as: AU2860784A; US4488358A; WO1984004271A1; EP0148847A1

Abstract

ABSTRACT OF THE INVENTION
A punch having a gage attached to one jaw which has at least two mutually perpendicular lips for engagement with two mutually perpendicular edges of the jacket of a magnetic record diskette. The gage locates the opening which the punch will form in the jacket.

Description

DISKETTE PUNCH WITH ATTACHED GAGE
` E~ACKGROUND QF THE IN~ENTION
Standard~sized magnetic record diskettes are commerc-ially available which have a thin, flexible, circular magnetic record disc inside a rectangular envelope or jacket. Both the record disc and its jacket have a circular central opening for receiving a hub on the recording/playback machine which rotates the record disc during a recording or playback operation.
The jacket has a rectangular notch in one edge which receives a finger in the recording/playback machlne to enable the machine to record on the record disc in the jacket or to reproduce data previously recorded on the record disc~ The jacket also has a small circular opening, located on one side of the larger central opening in the jacket and the disc, which is used for timing pur-poses in the operation of th~ recording/playback machine.
Diskettes of this general type are used to record on, and play back from, only one face of the record disc.
The recording capacity of the opposite face of the disc i5 not used because the single rectangular notch and the single timing opening in the jacket cooperate with the recording/playback machine only for recording on or reproducing data from the one face of the record disc.

2 5 SUMMA Y OF THE INVENTION
The present invention is directed to a novel punch wikh an attached gage for use on the jacket of such a diskette to enable both faces of the record disc to be used for recording and reproduction purposes.
The punch itself pref~rably is manually operated, having pivoted opposite jaws which are actuated toward each other to punch an opening in the jacket of the disk-ette~ In accordance with the present invention, the punch has a gage which engages at least two mutually perpendicular edges of the jacket to properly locate the position where the opening will be formed in the jacke-t by operating the punch.

~2g~

One emhodiment of the pxesent punch iS used to form an opening in the form of a rectangular notch in the opposite edge of the diskette jacket from the edge which already has such a notch.
Another embodiment of the present punch is used to form a small, circular, off-center timing opening in he disket~e jacket on the opposite side of the hub-receiving central opening in the jacket and the record disc from the timing opening already present in the jacket.
A principal object of this invention is to provide a novel punch which is used for doubling the effective recording/playback capacity of a magnetic record diskette.
Another object of this invention is to provide such a pun~h for converting a magnetic record diskette which is useful only for recording on and reproduction Erom o~e face of its record disc to one which is useful for recording on and reproduction from both sides of the disc.
A specific object of this invention is to provide a novel hand-operated punch for forming a rectangular notch i~ one edge of the jacket of a magnetic record diskette at a location effective to enable recording on a previously unused face of the diskette's record disc.
Another specific object of this invention is to provide a novel hand-operated punch for forming a timing opening in the jacket of a magnetic record dlskette to enable recording on a previously unused face of the disk-ettels record disc.
Further objects and advantages of this invention will ~e apparent from the following detailed description of two presently preferred embodiments, which are illus-trated in the accompanying drawings.
DESCRIPTION OF THE DRAWINGS
__ Figure 1 is a perspective view of a punch accord-ing to the present invention for punching a rectangular notch in one edge of the jacket of a maynetic record diskette;
Figure 2 is a side el~vation of this punch;
Figure 3 is a cross-section taken along the line

3--3 in Figure 2;
Figure 4 is a top plan view showing this punch engaging the diskette jacket to form the notch;
Figure 5 is a top plan YieW of the diskette jacket after formation of the notch in one edge by the punch of Figure l;
Figure 6 is a perspective view of a punch according to the present inventisn for punching an off-center timing hole in the ~acket of a magnetic record diskettei Figure 7 is a top plan view showing the Figure 6 punch engaging the diskette jacket to form this timing hole;
Figure 8 is a S7 de elevation of the punch and diskette jacket assembly shown in Figure 7; and Figure 9 is a top plan view of the finished disk-ette jacket after both the punch of Figure 1 and the punch of Figure 6 ha~e been used.
Before explaining the disclosed embodiments of the present in~ention in detail, .it is to be understood that the invention is not limited in its application to the details of the particular arrangements shown since ~5 the invention is capable of other embodiments. Also, the terminology used herein is for the purpose of des-cription and not of limitation.
DETAILED DESCRIPTION
Referring first to Figure 2, the punch shown there 30 . has a one-piece first arm which presents a lower jaw 11 and an upper handle 12 and a one--piece second arm which presents an upper jaw 13 and a lower handle 14. The two arms of the punch are pivoted to each other at 15.
The upper jaw 13 has a flat bottom wall 13a.
punch element 16 of rectangular cro.ss-section ext~nds down perpendicular].y from this bottom wall of the upper jaw and presents a flat bottom face which extends parallel to (and below) the bottom wall of the upper jaw., The back face 16a of punch element 16 extends at a slightly a~ute angle lsuch as 85) upward and inward from its flat bottom face, whereas the other three side faces of punch element 16 extend perpendicular to its bottom face.
The lower jaw 11 of the punch is substantially shorter than its upper jaw 13~ It presents a flat upper face lla and an outer end face llb extending perpendicular to its upper face. As shown in Figure 3, the lower jaw has flat opposite side faces llc and lld which extend down perpendicularly from its top face lla and parallel to each other.
In accordance with the present invention, a gage is attached to the lower jaw 11 of the punch to properly locate the hole (a rectangular notch) which its punch element 16 will form in one edge of the jacket of the magnetic record diskette. As best seen in Figure 1~ this gage has an inverted channel-shaped mounting segment 17 which fits snugly over the lower jaw 11 and is soldered or otherwise rigidly joined to it. As shown in Figure 3, this mounting segment 17 of the gage has spaced, parallel, opposite side walls 17c and 17d, which respectively engage the opposite side faces llc and lld of the lower jaw, and a flat top wall 17a, which overlies the top face lla of the lower jaw 11 of the punch.
As shown in Figure 1, the top wall 17a of the gage extends outward beyond the outer end face llb of the lower jaw and presents a rectangular opening 18 which snugly but slidably receives the punch element 16 when the two jaws of the punch are brought together. Beyond this opening 18 ~he gage has a depending end wall 19, which extends down from its top wall 17a parallel to and spaced outward from the outer end face llb of the lower jaw 11, 'as shown in Figure 2. The side wall 17d of the gage extends out beyond the lower jaw 11 of the punch almost to the end wall 19~
The gage has a flat extension 20 on its outer end which is a co-planar continuatlon of its top wall 17a and extends to the opposite side of the lower jaw 11 of the punch from the gage side wall 17d. Viewed -from above in Figure 1, this extension 20 is a rectangle which is elongated laterally outward from the lower jaw~ On the outer end of extension 20 an end lip 21 extends up perpendicl~larly. Along the inner edge of extension 20 near its outer end a siae lip 22 extends up perpendi~ular to both the extension 20 itself and the end lip 21. The extension 20 and lips 21 and 22 together define a three-sided rectangular recess for receiving one corner of the rectangular jacket of a magnetic record disketteO
Referring to Figure 5, the commercially available diskette jacket J comes with a single rectangular notch 23 i.n one edge 24, a central circular opening 25 for receiving the hub of the recording reproducing machine, and a small circular timing opening 26 located near the central opening 25 toward the side edge 24 having the rectangular notch 23. The punch of Figure 1 may be used to punch a second rectangu;ar notch 27 in the oppo- -site edge 28 of the diskette jacket at the same distance from the adjacent end edge 29 of the jacket as the notch 23 in the side edge 24.
Referring to Figure 4, the gage 17-22 on the lower jaw 11 of the punch is placed beneath the diskette jacket with the end lip 21 of the gage engaging the end edge 29 of the jacket, the side lip 22 of the gage en-gaging -the side edge 28, and the extension 20 of the gage engaging the bottom of the jacket. This positions the gage opening 18 at the correct location along the side edge 28 of the jacket, the same distance from the end edge 29 of the jacket as the notch 23. Therefore, when the punch is operated, the rectangular punch element 16 on its upper jaw 13 cooperates with the opening lB to form the rectangular notch 27 (Figure 5) at the correct location along the side edge 28 of the diskette jacket J.
When the diskette is inverted from the posit1on shown in -- 6 ~
Figure 5, the notch 28 occupies the position previously occupied by the notch 23, and in this position it will recei~e the finger in the recording/playback machine to enable -the machine to record on or reproduce from the record disc in the diskette.
A second timing opening of the same size as the opening 26, but on the opposite side of the central opening 25 in the jacket, is formed by the punch shown in Figure 6. This second timing opening is shown at 30 in Figure 9, which shows the finished diskette jacket after both the punch of Figure 1 and the punch of Figure 6 have been used.
Referring to Figure 8, the punch for forming the second timing opening 30 has a one-piece first arm which presents a lower jaw 31 and an upper handle 32 and a one-piece second arm which presents an upper jaw 33 and a lower handle 34. The two arms of the punch are pivoted to each other at 35~
The ou~er end of the lower jaw 31 of the punch is shaped and dimensioned to pass down through the central opening 25 in the opposite side of the diskette jacket J from the side where the first timing opening 26 is formad. As indicated in Figure 8, when this punch is being used, the outer end of its lower jaw 31 is between ~5 this opposite side of the jacket J and the record disc inside the jacket. I'he rest of the lower jaw 31 and the attached handle 32 are outside the jacket, as are the entire upper jaw 33 and its attached handle 34.
The upper jaw 33 of the punch carries a downwardly projecting punch element 36 of circular cross-section corresponding to the desired size of ~he second timing opening 30 it will form in the jacket J of the diskette.
In accordance with the present invention~ this punch incorporates a gage for positioning it properly in accordance with the desired location for the second timing hole 30 in the diskette jacket J. Hole 30 is in phantom in Figure ~ to show that it is in the opposite side of the jacket from the side having the first timing hole 26. As shown in Figures 6 and 8~ this gage has a generally flat elongated mounting segment 37 which over-lies the lower jaw 31 toward the pivot 35. This mounting segment is rigidly attached to the lower jaw~ such as by a rivet 38.
Outward from its mounting segment 37 the gage presents a flat top wall 39 ha~ing a circular-opening 40 which is positioned and dimensioned to pass the punch element 36 on the upper jaw 33 when the punch is actua-ted.
The top wall 39 of the gage extends outward from the lower jaw 31 to a depending end lip 41, which extends down perpendicular to the top wall 39 for engagement with side edge 28 of the diskette jacket J, as shown in Figure 7.
On the right side in Figures 6 and 7, the top wall 39 of the gage extends laterally outward from the lower jaw 31 of the punch to a depending side lip 43, which extends down perpendicular to the top wall 39 and per-pendicular to the end lip 41 for engagement with the end edge 29 of the diskette jacket J, as shown in Figure 7.
On the left side in Figures 6 and 7, the top wall 39 of the gage extends laterally outward :Erom the lower jaw 31 of ~he punch to a depending side lip 42, which extends down perpendicular to the top wall 39, parallel -to the opposite side lip 43, and perpendicular to the end lip 41. This side lip 42 is engageable with an opposite end edge 44 of the diskette jacket J, as shown in Figure 7. The spacing between the opposite side lips 42 and 43 on the gage is substantially equal to the distance bet-ween the opposite end edges 29 and 44 of the diskette jacket J, so that the jacket fits snugly between these side li.ps when the top wall 39 of the gage overlies the jacket.
The top wall 39 and the end and side lips 41, 42 and 43 of the gage define a four sided rectangular recess ~ 8 ; or snugly receiving the diske~te jacket J, as shown in Figure 7.
: As shown in Figure 8, in the use of this punch its gage 39, 41, 42, 43~ is slid over the diskette jacket J from the latter's edge 24 toward the opposite edge 28, and the outer end of the lower jaw 31 of the punch is passed down through the central opening 25 in the side of ~he jacket opposi~e the side which has the first timing opening 26. When the depending lips 41, 42 and 43 on the gage engage the respective edges 28, 44 and 29 of the diskette jacket, the opening 40 in the top wall 39 of the gage is at the correct location for the second timing opening 30 in the jacket. This will be at the same distance from the adjacent side edge 28 of the jacket as the distance of the first timing opening 26 from the nearer side edge 24 of the jacket.
When the punch is now operated, its punch element 36 will pass down through the opening 40 in the top of the gage and will punch out the second timing opening 30 in the jacket of the disketteO The diskette now is ready to record on or play back from either face of the record disc inside its jacket 3.
Obviously, the punch of Figure 6 may be used to form the second timing opening 30 in the diskette jacket before the punch of Figure 1 is used to form the notch 27.

Claims

The embodiments of the invention in which an ex-clusive property or privilege is claimed are defined as follows:

1. In a punch for punching a hole in the jacket of a magnetic record diskette which has at least two edges extending transverse to each other, said punch having:
opposed first and second jaws which are movable toward and away from each other;
and a punch element on said first jaw projecting toward said second jaw;
the improvement which comprises:
a gage attached to said punch and presenting an opening which receives said punch element when the jaws are moved together;
said gage having at least two lips which are located beyond said second jaw and extend transverse to each other for engagement re-spectively with said transverse edges of the diskette jacket to locate said opening in the gage relative to said edges of the jacket.

2. A punch according to claim 1, wherein:
said gage presents a generally flat wall disposed between said jaws and formed with said opening for receiving said punch element;
and said lips extend substantially perpendicular to said wall of the gage and substantially perpendicular to each other for engagement respectively with mutually perpendicular edges of the diskette jacket.

3. A punch according to claim 2, wherein:
said wall of the gage has a generally flat ex-tension which projects laterally on one side of said second jaw of the punch;
and said lips are attached to said extension and extend substantially perpendicular to it and are located on said one side of said second jaw;
said wall and said lips defining a three-sided recess for receiving a corner of the diskette jacket.

4. A punch according to claim 3, wherein:
said opening in the gage is rectangular;
and said punch element has a rectangular cross-section and is slidably received snugly in said opening when the jaws are moved together.

5. A punch according to claim 2, wherein:
said wall of the gage extends longitudinally out-ward beyond said second jaw and laterally on opposite sides of said second jaw;
and three of said lips are attached respectively to said wall longitudinally outward beyond said second jaw and laterally on opposite sides of said second jaw, the two lips which are on opposite sides of said second jaw extending parallel to each other and perpen-dicular to the remaining lip;
said wall and said lips defining a four-sided recess for receiving the diskette jacket with said lips engaging three edges of the jacket.

6. A punch according to claim 5, wherein:
said opening in the gage is circular;
and said punch element has a circular cross-section and is slidably received snugly in said opening when the jaws are moved together.